Which versions of Java are affected by CVE-2026-3053?

A high-severity vulnerability in DataLinkDC Dinky versions up to 1.2.5 allows attackers to potentially execute unauthorized actions through the OpenAPI endpoint, with public exploit code already…

Is there a public PoC exploit available for CVE-2026-3053?

Yes, a public proof-of-concept exploit is available for CVE-2026-3053. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-3053?

Within 24 hours: Identify all systems running DataLinkDC Dinky 1.2.5 or earlier and isolate them from untrusted networks; enable enhanced logging on affected endpoints. Within 7 days: Implement network segmentation to restrict access to the OpenAPI endpoint and deploy WAF rules to block malicious payloads targeting the addInterceptors function. Within 30 days: Upgrade to a patched version as soon as available or migrate to an alternative data integration solution if no patch timeline is provided by the vendor.

Java CVE-2026-3053

Q: What is the CVSS score of CVE-2026-3053?

CVE-2026-3053 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

MEDIUM

Improper Authentication (CWE-287)

2026-02-24 cna@vuldb.com

Java Authentication Bypass

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 25, 2026 - 19:43 vuln.today

Public exploit code

CVE Published

Feb 24, 2026 - 02:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was determined in DataLinkDC dinky up to 1.2.5. This affects the function addInterceptors of the file dinky-admin/src/main/java/org/dinky/configure/AppConfig.java of the component OpenAPI Endpoint. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Dinky versions up to 1.2.5 contain an authentication bypass in the OpenAPI endpoint handler that allows unauthenticated remote attackers to manipulate interceptor configuration. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor.

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Risk assessment & exploitation conditions
Attack chain visualization
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Threat intelligence from 22 sources
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Access OpenAPI endpoint without authentication

Exploit

Bypass interceptor validation in AppConfig

Execution

Execute unauthorized API requests

Impact

Gain confidentiality and integrity access

Access

Access OpenAPI endpoint without authentication

Exploit

Bypass interceptor validation in AppConfig

Execution

Execute unauthorized API requests

Impact

Gain confidentiality and integrity access

Vulnerability AssessmentAI

Exploitation	DataLinkDC Dinky versions up to 1.2.5 with OpenAPI endpoint exposed. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 7.3 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker (requires authentication) could exploit this vulnerability to missing authentication.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all systems running DataLinkDC Dinky 1.2.5 or earlier and isolate them from untrusted networks; enable enhanced logging on affected endpoints. …

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-3053 vulnerability details – vuln.today

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